In an interview with Philadelphia radio station WPHT, Donald Trump Jr., the eldest of Donald Trump's children, made a tongue-in-cheek
we know what you were referring to reference to gas chambers when asked about Hillary Clinton.
The media has been her [Hillary Clinton's] number one surrogate in this... Without the media, this wouldn’t even be a contest, but the media has built her up. They’ve let her slide on every indiscrepancy, [sic] on every lie, on every DNC game trying to get Bernie Sanders out of the thing.
And then that oh so
not hilarious gas chamber joke.
If Republicans were doing that, they’d be warming up the gas chamber right now.
It's unclear exactly what he's referring to when he says "gas chamber," but the most popular understanding—and the #1 result of a simple Google search—would be the gas chambers used by Hitler's Nazi government to exterminate over nine million minorities (including six million Jews) during the Holocaust.
Here's the full interview if you feel like puking for 11 straight minutes:
Cute, really funny reference, Don Jr. We're totally LOLing* over here.